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Table 3 Growth curve models estimating the association between CORE OM scores and total number of sessions attended at post therapy, six month and 12 month follow up (N = 276)

From: A national evaluation of the Irish public health counselling in primary care service– examination of initial effectiveness data

Fixed effects Model A Model B
 Intercept β00 1.02 (.03)** 0.81 (.04) **
time β10   .42 (.07)**
quadtime β20   −.13 (.03)**
Random effects
 Residual εti .207 (.01)** .14 (.02)**
 Intercept π2i .245 (.02)** .21 (.03)**
 Covariance u0i   .001 (.006)*
 Slope π1i   .008 (.003)**
−2 Log Likelihood 1462.521 1357.640
Number of estimated parameters 3 7
  1. Note: Parameter estimate standard errors listed in parentheses
  2. ** p < .001
  3. *p = .859